20.9 Plus 978.8 Addition :

Number 1 Number 2 Answer
20.9 978.8 999.7

How to calculate 20.9 plus 978.8 ?

Let's break down the addition of 020.9 and 978.8 step by step:

   020.9      <-- Start with the rightmost column
+  978.8
---------

    Add the digits in the rightmost column:
        9 + 8 + 1 = 17
        Write down 7 in the rightmost column, carry over 1 to the next column.

   020.9
+  978.8
---------
     7


    Add the digits in the rightmost column:
        0 + 8 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   020.9
+  978.8
---------
     9.7


    Add the digits in the rightmost column:
        2 + 7 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   020.9
+  978.8
---------
     99.7


    Add the digits in the rightmost column:
        0 + 9 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   020.9
+  978.8
---------
     999.7

    Continue to the left:
        There are no more columns to the left.

The final result is 999.7.
So, 020.9 + 978.8 = 999.7

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